CN201129922Y - Carbon element calcining rotary kiln - Google Patents
Carbon element calcining rotary kiln Download PDFInfo
- Publication number
- CN201129922Y CN201129922Y CNU200720016123XU CN200720016123U CN201129922Y CN 201129922 Y CN201129922 Y CN 201129922Y CN U200720016123X U CNU200720016123X U CN U200720016123XU CN 200720016123 U CN200720016123 U CN 200720016123U CN 201129922 Y CN201129922 Y CN 201129922Y
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- kiln
- air
- carbon
- rotary kiln
- calcining rotary
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Abstract
The utility model relates to a petroleum coke calcining device in the field of carbon production and in particular relates to a carbon calcining rotary kiln. The carbon calcining rotary kiln comprises a kiln body, a kiln barrel and an inside lining, wherein the inside lining is arranged on the inner side of the kiln barrel, an air supply unit body is arranged on the kiln barrel and the inside lining, and the air supply unit body is connected with a ring-shaped air channel outside the kiln. The carbon calcining rotary kiln of the utility model has the following advantages that a structure that a secondary wind pipe is extended into the kiln is changed, multiple channel air feeding blocks are slightly higher than the inner surface of a kiln lining, and the kiln is not affected by the mechanical shock in the kiln when materials are rolled down. The material leaking phenomenon can not produce in the operating process of the rotary kiln. The kiln can guarantee that a secondary air supply point, the air supply volume and the air supply angle which are set by the technique can normally supply secondary air, which is beneficial for utilizing volatile matters to burn sufficiently, a comparatively long calcining belt and the high temperature of the belt are kept, and the product quality of calcined coke is increased. The ring-shaped air channel outside the kiln provides conditions for arranging kiln body air supply ports in a staggering mode and the kiln body can be prevented from gathering strength weakness.
Description
Technical field
The utility model relates to the calcining petroleum coke equipment of the plain production field of charcoal, particularly relate to a kind of carbon-calcining rotary kiln, carbon-calcining rotary kiln secondary wind feed system fault of construction is big in order to solve, unreliable the stopping of causing of work supplied with by secondary wind, poor, the fugitive constituent of operating mode utilizes insufficient, calcining output and quality not to reach problems such as designing requirement in the kiln.
Background technology
Carbon-calcining rotary kiln is the plain and burnt visual plant of calcining of graphite products production process PetroChina Company Limited. of charcoal, mainly partly is made up of kiln body, liner, kiln hood cover, the heavy grey chamber of kiln tail, combustion system, secondary wind feed system etc.The secondary wind feed system of being made up of blower fan, air channel outside secondary air channel and the kiln that particularly is provided with on the kiln body, its effect is in certain location fresh air to be infeeded in the kiln, makes the fugitive constituent that material produces in the kiln be fully burned, improve calcining belt temperature.It is the important assurance of carbon-calcining rotary kiln according to technology intention reliably working.
Existing carbon-calcining rotary kiln all adopts the outer straight-through metal tube of wrapping up in refractory material as secondary air channel, it is stretched in the kiln and with kiln body center line form certain angle, relies on to be attached thereto outer air channel of the kiln that connects and blower fan, infeeds secondary wind in kiln.The secondary wind feed system of this structure has the shortcoming of following several respects: 1, the outer structure of refractory of wrapping up in of secondary air channel employing, be blown into cold wind from metal pipe internal surface during work, and the refractory material protective layer of wrapping up in outward stretches into and bears high temperature in the kiln, on the thickness about 100mm, its thermograde reaches 12～13 ℃/mm, and it is very unfavorable that secondary air channel is stretched into the inner branch of kiln; 2, because metal tube is different with the expansion rate of refractory material, the refractory material protective layer that impels secondary air channel to stretch into part in the kiln comes off rapidly, and then burns metal tube, makes the secondary air channel air outlet concordant with the kiln lining inner surface; 3, because the structural defective of above-mentioned secondary air channel and working environment abominable generally has only 1/3～1/4 of life-span of kiln liner its service life.In operation process, often run into and be forced to stop the situation that kiln is repaired secondary air channel, the thermal shock that has aggravated kiln lining damages; 4, owing to the existence of aforesaid drawbacks, the high-temperature coke that causes rotating in the kiln body pours in down a chimney into the air channel from overfiren air port, very easily burns blower fan, the personal safety that can jeopardize operating personnel when serious; 5, producing in order not influence calcining, all is after producing a period of time overfiren air port to be blocked usually, causes no secondary wind supply in the kiln; 6,, make the temperature of burning zone in the kiln and length can't realize that directly the burnt quality in back is forged in influence by the technological requirement of expection because no secondary wind infeeds, and the fugitive constituent that material produces in calcination process in the kiln can not in time burn; 7, in order to keep reaching in the kiln its temperature conditions, the kiln hood burner needs continuous heat supply, can not realize not having the fuel calcining; 8, the fugitive constituent that does not have completing combustion burns with flow of flue gas to kiln tail and even heavy grey chamber, even directly discharges, and the flammable composition of a large amount of high heating values is slatterned.
The utility model content
It is to solve that carbon-calcining rotary kiln secondary air channel and secondary wind feed system are easy to burn, can not normally infeed that operating mode worsens in secondary wind, the kiln, the problem of the composition waste of forging that the burnt quality in back descends, a large amount of high heating values are flammable that the utility model is exactly to provide in order to solve the problems of the technologies described above a kind of carbon-calcining rotary kiln, purpose.
In order to solve the problems of the technologies described above, the utility model is achieved in that carbon-calcining rotary kiln, comprises kiln body, kiln tube, liner, is provided with liner in the inboard of kiln tube, be provided with the air feed cell cube on kiln tube and liner, the air feed cell cube is connected with kiln outer ring air channel.
Described air feed cell cube is made up of with the inlet air plenum that is connected with the multichannel air-supplying block and be fixed on the kiln tube the multichannel air-supplying block that is located on the liner.
Described kiln outer ring air channel is around the kiln external body with circle-shaped, whole spiral form or grading ring.
Described kiln body is provided with the air feed mouth, and the quantitative range of air feed mouth is 1～30.
Described air feed mouth is that annular configuration or dislocation are arranged.
The shape of described multichannel air-supplying block is a kind of in cuboid, cube, cylinder, multiedge cylinder or the oval cylinder.
The appearance and size of described multichannel air-supplying block is 50～800mm.
The thickness of described multichannel air-supplying block is 50～500mm.
Described multichannel air-supplying block is provided with air intake passage.
The shape in described air intake passage cross section can be a rectangle, also can be circle, polygon or ellipse.
Described air intake passage quantity is 1～300.
Described air intake passage sectional dimension is 3～100mm.
The set air intake passage center line and the angle angle of air feed cell cube normal are 0 °～90 ° on the described multichannel air-supplying block.
Described multichannel air-supplying block is 0～200mm at the protrusion height of inner lining surface.
The utility model carbon-calcining rotary kiln has the following advantages:
1, changed secondary air channel and stretched into structure in the kiln, just a little more than the kiln lining inner surface, be not subjected to the mechanical shock when material tumbles in the kiln as the multichannel air-supplying block of air inlet.
2, with kiln in the multichannel air-supplying block that contact of material, be provided with the air intake passage in a plurality of suitable apertures, owing to the suitable and blast effect in aperture, in the rotary kiln running process, can not produce the material phenomenon that leaks outside.
3, because the multichannel air-supplying block has adopted the refractory material close with the kiln lining physicochemical property to make, and with the kiln lining cast or build by laying bricks or stones and be one, admittedly can guarantee that its service life and kiln lining are synchronous.
4, can guarantee secondary wind air feed point, wind supply quantity, the air feed angle normal supply secondary wind of technique initialization, help making full use of the fugitive constituent burning, keep long burning zone and high temperature thereof, improve and forge the burnt product quality in back.
5, because making full use of of fugitive constituent for the outer heat supply of cancellation kiln provides good condition, can realize not having the fuel calcining, improve the energy-conservation level of carbon calcination operation.
6, kiln outer around the shape air channel for being crisscross arranged of kiln body air feed mouth provides condition, can make the kiln body avoid weak strength point concentrated.
7, economical and practical, simple.
Description of drawings
Fig. 1 is the cross-sectional structure schematic diagram of the utility model carbon-calcining rotary kiln.
Fig. 2 is the structural representation of an air feed point in the secondary wind feed system of the utility model carbon-calcining rotary kiln.
Among the figure, 1, the kiln tube; 2, liner; 3, multichannel air-supplying block; 4, inlet air plenum; 5, air feed cell cube; 6, kiln outer ring air channel; 7, air intake passage; 8, kiln body; 9, air feed mouth.
The specific embodiment
Below embodiment of the present utility model is described in detail in conjunction with the accompanying drawings, but protection domain of the present utility model is not limit by embodiment.
As shown in the figure, carbon-calcining rotary kiln, comprise kiln body 8, kiln tube 1, liner 2, in the inboard of kiln tube 1 liner 2 is arranged, on kiln tube 1 and liner 2, be provided with air feed cell cube 5, air feed cell cube 5 adopts flange to be connected with kiln profile air channel 6, air feed cell cube 5 is made up of with the inlet air plenum 4 that is connected with multichannel air-supplying block 3 and be fixed on the kiln tube 1 the multichannel air-supplying block 3 that is located on the liner, kiln is outer to be connected with bolt around 6 in shape air channel and each inlet air plenum 4, and this is replacing or maintenance for convenience of air channel and inlet air plenum.Kiln outer ring air channel 6 is around the kiln external body with circle-shaped, whole spiral form or grading ring; Kiln body 8 is provided with air feed mouth 9, and the quantitative range of air feed mouth 9 is 1～30, and air feed mouth 9 is that annular configuration or dislocation are arranged.The shape of multichannel air-supplying block 3 is a kind of in cuboid, cube, cylinder, multiedge cylinder or the oval cylinder; The appearance and size scope of multichannel air-supplying block 3 is 50～800mm; Multichannel air-supplying block 3 is provided with air intake passage 7, and carbon-calcining rotary kiln when operation, set air intake passage 7 on the multichannel air-supplying block 3 has the high-temperature material effect of leaking outside in the shutoff kiln; Set air intake passage 7 center lines and the angle angular range of air feed cell cube 5 normals are 0 °～90 ° on the multichannel air-supplying block 3; Multichannel air-supplying block 3 is 0～200mm at the protrusion height on liner 2 surfaces; The thickness range of multichannel air-supplying block is 50～500mm; The shape in air intake passage 7 cross sections can be a rectangle, also can be circle, polygon or ellipse; Air intake passage 7 quantitative ranges are 1～300, and air intake passage 7 sectional dimension scopes are 3～100mm.
Infeed a little layout according to what and secondary wind of secondary wind requirement, adopt one or more blower fans to be connected with kiln outer ring air channel.Blower fan is by infeeding inlet air plenum around the shape air channel with secondary wind during production, by inlet air plenum secondary air separating is fitted on each passage of multichannel air-supplying block again, enters in the kiln.
Claims (14)
1, carbon-calcining rotary kiln comprises kiln body, kiln tube, liner, it is characterized in that the inboard of kiln tube is provided with liner, is provided with the air feed cell cube on kiln tube and liner, and the air feed cell cube is connected with kiln outer ring air channel.
2, carbon-calcining rotary kiln according to claim 1 is characterized in that described air feed cell cube is made up of with the inlet air plenum that is connected with the multichannel air-supplying block and be fixed on the kiln tube the multichannel air-supplying block that is located on the liner.
3, carbon-calcining rotary kiln according to claim 1 is characterized in that described kiln outer ring air channel is around the kiln external body with circle-shaped, whole spiral form or grading ring.
4, carbon-calcining rotary kiln according to claim 1 is characterized in that the kiln body is provided with the air feed mouth, and the quantity of air feed mouth is 1～30.
5, carbon-calcining rotary kiln according to claim 4 is characterized in that the air feed mouth is that annular configuration or dislocation are arranged.
6, carbon-calcining rotary kiln according to claim 3, the shape that it is characterized in that the multichannel air-supplying block are a kind of in cuboid, cube, cylinder, multiedge cylinder or the oval cylinder.
7, carbon-calcining rotary kiln according to claim 6, the appearance and size that it is characterized in that the multichannel air-supplying block is 50～800mm.
8, carbon-calcining rotary kiln according to claim 7, the thickness that it is characterized in that the multichannel air-supplying block is 50～500mm.
9, carbon-calcining rotary kiln according to claim 8 is characterized in that described multichannel air-supplying block is provided with air intake passage.
10, carbon-calcining rotary kiln according to claim 9, the shape that it is characterized in that the air intake passage cross section can be a rectangle, also can be circle, polygon or ellipse.
11, carbon-calcining rotary kiln according to claim 10 is characterized in that air intake passage quantity is 1～300.
12, carbon-calcining rotary kiln according to claim 10 is characterized in that the air intake passage sectional dimension is 3～100mm.
13, carbon-calcining rotary kiln according to claim 9, the angle angle that it is characterized in that air intake passage center line set on the multichannel air-supplying block and air feed cell cube normal is 0 °～90 °.
14, carbon-calcining rotary kiln according to claim 9 is characterized in that the multichannel air-supplying block is 0～200mm at the protrusion height of inner lining surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720016123XU CN201129922Y (en) | 2007-11-23 | 2007-11-23 | Carbon element calcining rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720016123XU CN201129922Y (en) | 2007-11-23 | 2007-11-23 | Carbon element calcining rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129922Y true CN201129922Y (en) | 2008-10-08 |
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ID=40017779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720016123XU Expired - Lifetime CN201129922Y (en) | 2007-11-23 | 2007-11-23 | Carbon element calcining rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129922Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395831A (en) * | 2009-03-12 | 2012-03-28 | 朴英善 | Rotary kiln with excellent combustion performance |
| CN101435658B (en) * | 2007-11-13 | 2012-03-28 | 沈阳铝镁设计研究院有限公司 | Carbon element calcining rotary kiln |
| CN105970000A (en) * | 2016-06-30 | 2016-09-28 | 湖南博环保科技有限公司 | Method and device for increasing utilization ratio of hazardous zinc-bearing wastes through rotary kiln |
| CN106369994A (en) * | 2016-10-28 | 2017-02-01 | 王彬海 | Rotary kiln fluidization roasting device and process |
-
2007
- 2007-11-23 CN CNU200720016123XU patent/CN201129922Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435658B (en) * | 2007-11-13 | 2012-03-28 | 沈阳铝镁设计研究院有限公司 | Carbon element calcining rotary kiln |
| CN102395831A (en) * | 2009-03-12 | 2012-03-28 | 朴英善 | Rotary kiln with excellent combustion performance |
| CN102395831B (en) * | 2009-03-12 | 2014-04-23 | 朴英善 | Rotary kiln with excellent combustion performance |
| CN105970000A (en) * | 2016-06-30 | 2016-09-28 | 湖南博环保科技有限公司 | Method and device for increasing utilization ratio of hazardous zinc-bearing wastes through rotary kiln |
| CN106369994A (en) * | 2016-10-28 | 2017-02-01 | 王彬海 | Rotary kiln fluidization roasting device and process |
| CN106369994B (en) * | 2016-10-28 | 2019-02-15 | 王彬海 | Rotary kiln fluosolids roasting device and roasting technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081008 Effective date of abandoning: 20071123 |